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Cast Glass Creatures or Make a Monster

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Captions available in English, Spanish, Portuguese, French, German, Swedish, Dutch
  • 10+ Video lessons in HD
  • Exclusive bonus content
  • 30-day access to instructor
  • Over 10 hours of in-depth instructions
  • Lifetime access, anywhere, anytime
  • Available on desktop, mobile and tablet
  • 100% satisfaction guarantee

What you will learn:


Class 1:

  • Intro and Materials
  • Types of Silicone
  • Plastic Animals
  • Terminology
  • Planning projects
  • Preparing animals for mold making
  • Modifying animals before mold making

Class 2:

  • Making Silicone Molds
  • DIY Silicone Molds
  • 2 part commercial silicone
  • Preparing wax for pouring
  • Reservoir molds

Class 3:

  • Making Wax Animals
  • Pouring wax
  • Removing from Molds
  • Modifying creatures
  • Adding Reservoirs
  • Finishing surfaces

Class 4:

  • Preparing for Plaster/Silica Investment molds
  • Measuring wax creature volume for glass
  • Calculating mold container size
  • Constructing molds container
  • Calculating silica needs
  • Adding vents

Class 5:

  • Pouring Investment molds
  • Safety and tools
  • Mixing and Pouring Plaster/Silica
  • Removing Wax from molds

Class 6:

  • Adding Glass
  • Using glass volume from class
  • Filling molds
  • Firing schedules
  • Annealing glass sculptures

Class 7:

  • Removing Glass from Plaster/Silica molds
  • Safety
  • Removing Glass
  • Clean up
  • Troubleshooting

Class 8:

  • Finishing
  • Removing Reservoir
  • Grinding and Polishing
  • Etching and Sandblasting

Class 9:

  • Wrap it up
  • Ideas for bases
  • Displays
  • Pricing


  • Will it cast? - Testing different types of found glass for casting possibilities. Setting up glass tests and interpreting results. Review technical document references. List of references included in bonus class.
  • How to setup a mini and affordable sandblasting station.


  • Material List
  • Shore Strength/Definition chart for silicone
  • DIY Silicone Mold Recipe
  • Glass Volume Calculation worksheet
  • Mold Volume Calculation worksheet

About the course

Explore lost wax casting with fused glass in this fun and funny art class with Jodi. We will start with plastic critters, the weirder the better, and make them even stranger before we cast them in glass. Learn about different types of silicone for mold making, modeling wax, changing forms before molding, altering wax forms, calculating and pouring plaster casting molds, calculating glass volume, Firing schedules and annealing, coldworking your final projects, and more! This is an awesome online art course for fused glass artists

This may be a light-hearted take on wildlife, but the glass concepts are serious, seriously useful!


Open Facebook Group to students of this course:
Curious Mondo: Cast Glass Creatures

Time table:
9 hours

Basic / Intermediate / Advanced

Target market:
Glass artists, fused glass artists, anyone who loves glass, playing with a kiln, or want to start a new hobby or career

Main objective:
Learn lost wax casting with glass



About the instructor

Jodi McRaney-Rusho
Glass With a Past

Jodi is a warm glass artist working exclusively with post-consumer glass. Her work has won several awards and has been featured in “Sculpture and Design With Recycled Glass” by Cindy Ann Coldiron, as well as several magazines including “Handmade Business” and “Crafts Report”. HGTV's “That's Clever” filmed two segments in her studio. Jodi currently teaches out of her Salt Lake City studio and is an instructor at Kimball Arts Center in Park City Utah. She is represented by Concept SAL in Salt Lake City and Gallery 873 in Kayenta, Utah. After nearly 15 years of recycled glass art making, Jodi has begun producing her own line of tools, kits and molds in an effort to spread the joy of fusing with recycled glass to the whole world.

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1925 W Parkway Blvd
Salt Lake City, UT 84119

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